Python’s Flask is a simple yet effective web framework. It will help you create your web application due to its simplicity of usage and learn. Flask can be used to create intricate, database-driven websites, frequently beginning with simple pages to establish a process that can later be expanded to create more intricate pages. Once finished, you can use this process to launch your subsequent Flask application. If you want to know What is Python’s Flask Framework? Learn Flask Training in Chennai at FITA Academy with the help of well-experienced instructors with 100% placement.
What is HTTP and how does it relate to Flask?
A protocol for websites is HTTP. It connects to and communicates with computers and servers across the Internet.
Enter into your browser’s address bar, type the name of a website and hit Enter. A server receives an HTTP request, which is what happens.
An HTTP request will be made to Google server, for instance, if we type google.com then hit Enter after typing the address there. After receiving the request, the Google server must determine how to interpret it. The data my web browser requests is returned by the Google server in an HTTP response. The browser then renders the information you requested as a page.
How is Flask involved?
Let’s create some code that handles server-side processing. Requests will be sent to our code. Find out the subject of and what is requested in those requests. Additionally, it will decide what kind of reply to deliver to the user.
Installing Flask
Installing Flask is necessary before we begin. Things may go wrong throughout these steps due to the variable settings. Describe the issue in a comment if they do, or Google the error message. Enrol in FITA Academy to get in-depth knowledge through the Flask Online Course with certified expert support.
Install Virtualenv
Let’s install Flask using virtualenv. A helpful tool for creating isolated Python development environments where you can complete all of your development work is called Virtualenv.
Let’s imagine you discover a brand-new Python library and decide to give it a try. You run the risk of confounding other installed libraries if you install it system-wide. Instead, set up a sandbox with virtualenv so that you can install and utilise the library without affecting other components of your system. You can either delete this sandbox once you are finished with it or keep using it for continuing development work.
Creating a Home Page
Writing the same HTML boilerplate again for each page while creating a web application with several pages can be tedious. What if you want to include a new CSS file, for example, in your application? You must add it by going through each page. This takes a long time and error-prone.
When the web template is assessed, your content will be used in place of the variables. Web templates reduce redundancy, isolate content from design, and simplify the maintenance of your programme.
